On royal engagements, one of Markle's go-to hairstyles features loose tendrils twisted together in a laid-back bun. She's worn versions of this style a few times before — once while visiting a London radio station and another time while visiting Cardiff Castle in Wales.

On Friday, she visited Northern Ireland sporting a new variation of the look — a low, loose side bun.

It's also not the only way Markle has upended royal protocol— she's worn mismatched earrings, engaged in public displays of affection with Prince Harry, and opted for warm hugs over formal handshakes. It's no wonder why Markle continues to fascinate fans of the royal family around the world.

Sign up here to get INSIDER's favorite stories straight to your inbox.